Home / 92,923,345.80-139,385,018.70-56,643,640.20

Finding the Fourth Proportional to 92,923,345.80, 139,385,018.70 and 56,643,640.20

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Solution

The fourth proportional to 92,923,345.80, 139,385,018.70 and 56,643,640.20 is: 84,965,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,923,345.80 : 139,385,018.70 = 56,643,640.20 : x
  2. Step 2: Convert to fraction form
    92,923,345.80/139,385,018.70 = 56,643,640.20/x
  3. Step 3: Cross multiply
    92,923,345.80x = 139,385,018.70 × 56,643,640.20
  4. Step 4: Simplify right side
    92,923,345.80x = 7,895,274,848,513,071
  5. Step 5: Solve for x
    x = 7,895,274,848,513,071/92,923,345.80
  6. Step 6: Final answer
    x = 84,965,460.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.